ask your doctor about cymbalta. imagine you with less pain. cymbalta can help. go to cymbalta.com to learn about a free trial offer. [ male announcer ] yep, there's 8 layers of whole grain fiber in those mini-wheats® biscuits... to help keep you full... ♪ 45 bushels of wheat on the farm. 45 bushels of wheat! ♪ ...all morning long. there's a big breakfast... [ mini ] yeehaw! ...in those fun little biscuits. but i'm still stubbed up. [ male announcer ] truth is, nyquil doesn't unstuff your nose. what? [ male announcer ] alka-seltzer plus liquid gels speeds relief to your worst cold symptoms plus has a decongestant for your stuffy nose. thanks. that's the cold truth! >> now to a new and promtss procedure that could one day be used to fight alzheimer's. what doctors are calling a pacemaker for the brain. john schriffen with the story tonight. >> reporter: a cure. alzheimer's disease has long alluded doctors. now a surgical approach with a pacemaker used to stimulate the brain. two of the first such surgeries in the u.s. were performanced at johns hopkins. >> we